How To Fix 29139 - PM assembly required for item category &

29139 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 139

• Message text: PM assembly required for item category &

What causes this issue?

You want to delete the <ZH>PM assembly</> indicator for an item entered
with item category &V1&. Since this item is a structure element that is
relevant to plant maintenance, you cannot delete this indicator.

How to fix this error?

Select the <ZH>PM-assembly</> indicator again.

Error message extract from SAP system. Copyright SAP SE.

29139 - Details

• The SAP error message 29139, which states "PM assembly required for item category &," typically occurs in the context of the Plant Maintenance (PM) module when there is an attempt to process a transaction that requires an assembly (or a bill of materials) for a specific item category, but the necessary assembly information is not available or not properly configured.
  
  Cause:
  
  Missing Assembly Data: The item category you are trying to use does not have an associated assembly or bill of materials (BOM) defined in the system.
  Incorrect Configuration: The configuration for the item category may not be set up to allow for the use of assemblies.
  Master Data Issues: The material master data for the item category may be incomplete or incorrectly maintained.
  Transaction Context: The transaction you are trying to execute may inherently require an assembly, but the system cannot find one.
  
  
  Solution:
  
  
  Check Item Category Configuration:
  
  Go to the configuration settings for the item category